Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 30, 2018	Mar. 31, 2017
Revenue:
Product	$ 497.8	$ 409.6	[1]
Service	128.8	106.6	[1]
Subscription	115.6	94.4	[1]
Total revenue	742.2	610.6	[1],[2],[3]
Cost of sales:
Product	235.4	193.4	[1]
Service	59.6	47.0	[1]
Subscription	27.9	26.9	[1]
Amortization of purchased intangible assets	23.1	19.0	[1]
Total cost of sales	346.0	286.3	[1]
Gross margin	396.2	324.3	[1]
Operating expense:
Research and development	109.3	88.7	[1]
Sales and marketing	122.1	94.4	[1]
General and administrative	81.6	69.3	[1]
Restructuring charges	1.6	2.9	[1]
Amortization of purchased intangible assets	17.4	14.3	[1]
Total operating expense	332.0	269.6	[1]
Operating income	64.2	54.7	[1],[4]
Non-operating income, net:
Interest expense, net	(9.5)	(6.1)	[1]
Foreign currency transaction gain, net	3.7	1.4	[1]
Income from equity method investments, net	4.9	4.2	[1]
Other income, net	3.4	9.5	[1]
Total non-operating income, net	2.5	9.0	[1],[4]
Income before taxes	66.7	63.7	[1],[4]
Income tax provision	8.0	13.9	[1]
Net income	58.7	49.8	[1],[5],[6]
Net gain attributable to noncontrolling interests	0.2	0.0	[5]
Net income attributable to Trimble Inc.	$ 58.5	$ 49.8	[1]
Basic earnings per share	$ 0.24	$ 0.20	[1]
Shares used in calculating basic earnings per share	248.8	252.0	[1]
Diluted earnings per share	$ 0.23	$ 0.19	[1]
Shares used in calculating diluted earnings per share	253.2	255.9	[1]

[1] See Note 2 for a summary of adjustments

[2] Adjusted to reflect adoption of the new revenue recognition standard, Revenue from Contracts with Customers. For further information, see Note 2.

[3] See Note 2 for a summary of adjustments

[4] See Note 2 for a summary of adjustments

[5] See Note 2 for a summary of adjustments

[6] See Note 2 for a summary of adjustments